Field sweep



FIG. 1 is a top, front perspective view of the claimed design of a field sweep;

FIG. 2 is a front view according to the claimed design;

FIG. 3 is a rear view according to the claimed design;

FIG. 4 is a right side view according to the claimed design;

FIG. 5 is a left side view according to the claimed design;

FIG. 6 is a top view from above according to the claimed design; and,

FIG. 7 is a bottom view from below according to the claimed design.

Any portion of the article depicted in broken lines forms no part of the claimed design. 

CLAIM I claim the ornamental design for a field sweep, as shown and described. 